Title: Error Last modified: November 7, 2023 --- # Error * Resolved [maulwurf2k3](https://wordpress.org/support/users/maulwurf2k3/) * (@maulwurf2k3) * [2 years, 7 months ago](https://wordpress.org/support/topic/error-1836/) * Ich habe die folgende Fehlermeldung bekommen und die Funktion “Table of Contents” funktioniert in meiner Seite nicht mehr. Wa kann ich zur Fehlerbehebung tun und woher kommt das Problem? * Fehler-Details ==============Ein Fehler vom Typ E_ERROR wurde in der Zeile 194 der Datei /is/htdocs/wp13613179_4KVVMYG53J/www/[technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php](http://technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php) verursacht. Fehlermeldung: Uncaught TypeError: iterator_to_array(): Argument # 1 ($iterator) must be of type Traversable|array, bool given in /is/htdocs/wp13613179_4KVVMYG53J/ www/[technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php:194](http://technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php:194) Stack trace:#0 /is/htdocs/wp13613179_4KVVMYG53J/www/[technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php(194)](http://technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php(194)): iterator_to_array(false)#1 /is/htdocs/wp13613179_4KVVMYG53J/www/[technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php(297)](http://technikkurse.de/www/wp-content/plugins/essential-blocks/blocks/TableOfContents.php(297)): EssentialBlocks\blocks\TableOfContents->getHeadersFromContent(Array, ‘ Viewing 4 replies - 1 through 4 (of 4 total) * [Amit Barai Alit](https://wordpress.org/support/users/amitbarai013/) * (@amitbarai013) * [2 years, 7 months ago](https://wordpress.org/support/topic/error-1836/#post-17181206) * Hi [maulwurf2k3](https://wordpress.org/support/users/maulwurf2k3/) , Hope you are doing well.We are really sorry to hear about the issue. I have checked this on my end with the **Essential Blocks for Gutenberg** _**version 4.3.6**_ and found that it is working well. Please check this screencast: [https://d.pr/v/Ltxdmv](https://d.pr/v/Ltxdmv) Will you please tell me where you are getting this error message? Please provide us with the screencast for the details so that I can check and assist you.Thank you. * [Amit Barai Alit](https://wordpress.org/support/users/amitbarai013/) * (@amitbarai013) * [2 years, 7 months ago](https://wordpress.org/support/topic/error-1836/#post-17185882) * Hi [maulwurf2k3](https://wordpress.org/support/users/maulwurf2k3/) , * Can you please provide us with your **Site Health Information** so that we can check and assist you? You can get the Site Health Information from **WP Admin Dashboard > Tools > Site Health > Info > Copy site info to clipboard**: [https://d.pr/i/KDbAny](https://d.pr/i/KDbAny) * And simply just paste it here. Also, you can share the site’s health information by using [Pastebin](https://pastebin.com/). This will help us to reproduce this issue on our end. Thank you. * [Amit Barai Alit](https://wordpress.org/support/users/amitbarai013/) * (@amitbarai013) * [2 years, 6 months ago](https://wordpress.org/support/topic/error-1836/#post-17194607) * Hello [maulwurf2k3](https://wordpress.org/support/users/maulwurf2k3/), Greetings. Hope you are doing well. We haven’t heard from you since then. Can you please inform me whether the issue mentioned above is already fixed or not? * Let us know the update. Thank you.Have a good day! * Plugin Support [Ashikur Rahman](https://wordpress.org/support/users/ashikurwp/) * (@ashikurwp) * [2 years, 6 months ago](https://wordpress.org/support/topic/error-1836/#post-17212741) * Hi [maulwurf2k3](https://wordpress.org/support/users/maulwurf2k3/), Hope you’re doing well. * It has been quite some time since we last heard from you. Therefore, we are assuming that your issue has been resolved. We will now proceed to close this topic. We wanted to let you know that you are always welcome to re-open the topic if you have any further questions or concerns. * Have a wonderful day! Viewing 4 replies - 1 through 4 (of 4 total) The topic ‘Error’ is closed to new replies. * ![](https://ps.w.org/essential-blocks/assets/icon-256x256.gif?rev=2964049) * [Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns](https://wordpress.org/plugins/essential-blocks/) * [Frequently Asked Questions](https://wordpress.org/plugins/essential-blocks/#faq) * [Support Threads](https://wordpress.org/support/plugin/essential-blocks/) * [Active Topics](https://wordpress.org/support/plugin/essential-blocks/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/essential-blocks/unresolved/) * [Reviews](https://wordpress.org/support/plugin/essential-blocks/reviews/) * 5 replies * 3 participants * Last reply from: [Ashikur Rahman](https://wordpress.org/support/users/ashikurwp/) * Last activity: [2 years, 6 months ago](https://wordpress.org/support/topic/error-1836/#post-17212741) * Status: resolved